Madison County, Iowa Population 2024

17,530

Madison County, Iowa's estimated 2024 population is 17,530 with a growth rate of 1.43% in the past year according to the most recent United States census data. Madison County, Iowa is the 41st largest county in Iowa. The 2010 population was 15,738 and has seen a growth of 11.39% since that time.

Note: data after 2022 is projected based on recent change

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Year
Population
Growth
Growth Rate
202918,7652471.33%
202818,5182471.35%
202718,2712471.37%
202618,0242471.39%
202517,7772471.41%
202417,5302471.43%
202317,2832471.45%
202217,0362471.47%
202116,7891610.97%
202016,6283552.18%
201916,2731330.82%
201816,1401350.84%
201716,0052051.3%
201615,800730.46%
201515,7271070.69%
201415,6201380.89%
201315,482-157-1%
201215,639-99-0.63%
201115,738
201015,738
199012,483-114-0.9%
198012,5971,0398.99%
197011,558-737-5.99%
196012,295-836-6.37%
195013,131-1,394-9.6%
194014,5251941.35%
193014,331-689-4.59%
192015,020-601-3.85%
191015,621-2,089-11.8%
190017,7101,73310.85%
189015,977-1,247-7.24%
188017,2243,34024.06%
187013,8846,54589.18%
18607,3396,160522.48%
18501,179-17,586-93.72%
showing: 35 rows
2024 Growth Rate
1.43% (247)
County Website
Madison County
State
Iowa
County Seat
2010 Population
15,738
Area
561 mi²
Density
31 people/mi²
Growth Since 2010
11.39% (1,792)
Founded
1846

Madison County, Iowa Population 2024

Population by Race

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Race
Population
Percentage (of total)
White15,90695.77%
Two or more races3472.09%
Black or African American2131.28%
Other race670.4%
Asian640.39%
Native American120.07%
Native Hawaiian or Pacific Islander
showing: 7 rows

White

Two or more races

Black or African American

Other race

Asian

Native American

Native Hawaiian or Pacific Islander

Madison County, Iowa Population by Race

Madison County, Iowa Population Pyramid 2024

Madison County, Iowa Median Age

40.9

Total

40.7

Male

41.3

Female

Madison County, Iowa Adults

There are 12,504 adults, (3,014 of whom are seniors) in Madison County, Iowa.

Madison County, Iowa Age Dependency

75

Age Dependency Ratio

31.8

Old Age Dependency Ratio

43.3

Child Dependency Ratio

Madison County, Iowa Sex Ratio

Female8,13949%
Male8,47051%

Madison County, Iowa Population by Age

Madison County, Iowa Renter vs Owner Occupied by Household Type

Household Type
Count
Average Size
Owner
Renter
All6,4752.5482.417.6
Married3,7613.0592.47.6
Non Family2,0781.2268.331.7
Female4033.9364.535.5
Male2333.5377.722.3
showing: 5 rows

3.07

Average Family Size

2.54

Average Household Size

82.4%

Rate of Home Ownership

Married

Male

Female

NonFamily

owner

renter

Madison County, Iowa Households and Families

Male

Female

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Less Than 9th Grade

9th to 12th Grade

High School Graduate

Some College

Associates Degree

Bachelors Degree

Graduate Degree

Madison County, Iowa Educational Attainment by Sex (over 25)

Madison County, Iowa Educational Attainment by Race

High School Graduation Rate

Bachelors Rate

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The highest rate of high school graduation is among asian people with a rate of 100%.

The highest rate of bachelors degrees is among 2+ races people with a rate of 40.28%.

Madison County, Iowa Educational Attainment by Race

All

Male

Female

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$53,482

Average Earnings

$58,887

Average Male

$42,586

Average Female

Madison County, Iowa Earnings by Educational Attainment

Madison County, Iowa Language by Age

Only English

Spanish

Other Indo-European Languages

Asian and Pacific Island Languages

Other Languages

Madison County, Iowa Language

98.13% of Madison County, Iowa residents speak only English, while 1.87% speak other languages. The non-English language spoken by the largest group is Other Indo-European, which is spoken by 1.07% of the population.

Madison County, Iowa Language

Madison County, Iowa Poverty by Race

rate

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Name
Total
In Poverty
Poverty Rate
White15,4889446.1%
Asian643148.44%
Native1212100%
Black201115.47%
Multiple33572.09%
Other6123.28%
showing: 6 rows

6.14%

Overall Poverty Rate

4.38%

Male Poverty Rate

7.97%

Female Poverty Rate

Poverty in Madison County, Iowa

The race most likely to be in poverty in Madison County, Iowa is Native, with 100% below the poverty level.

The race least likely to be in poverty in Madison County, Iowa is Multiple, with 2.09% below the poverty level.

The poverty rate among those that worked full-time for the past 12 months was 1.11%. Among those working part-time, it was 9.62%, and for those that did not work, the poverty rate was 12.1%.

Madison County, Iowa Poverty

rate

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Rate
Poverty
Less Than 9th Grade26.62%
High School9.22%
Some College3.25%
Bachelors or Greater0.72%
showing: 4 rows

Madison County, Iowa Poverty Rate by Education

rate

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Rate
Poverty
Male Unemployed35.43%
Female Employed5.3%
Male Employed2.13%
Female Unemployed
showing: 4 rows

Madison County, Iowa Poverty Rate by Employment Status and Sex

Madison County, Iowa Income by Household Type

Households

Families

MarriedFamilies

NonFamilies

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mean

median

Income by Household Type

Madison County, Iowa Marital Status

Married

Widowed

Divorced

Separated

NeverMarried

Marriage Rates

58.4%

Overall Marriage Rate

60.1%

Male Marriage Rate

56.6%

Female Marriage Rate

Madison County, Iowa Married by Age and Sex

male

female

Madison County, Iowa Marriage

The age group where males are most likely to be married is 45-54, while the female age group most likely to be married is 45-54.

Madison County, Iowa Marital Status by Race

Married

Widowed

Divorced

Separated

NeverMarried

Madison County, Iowa Marital Status

Second Gulf War

First Gulf War

Vietnam

Korea

World War II

881

Number of Veterans

813

Male Veterans

68

Female Veterans

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Madison County, Iowa Veterans by War

count

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Madison County, Iowa Veterans by Age

count

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Madison County, Iowa Veterans by Race

Madison County, Iowa Veterans by Education

Less Than 9th Grade

High School Graduate

Some College

Bachelors or Greater

3.86%

Veteran Poverty Rate

18.16%

Veteran Disability Rate

Madison County, Iowa Veterans by Education

LaborForceParticipation

71.5%

Labor Force Participation

69.7%

Employment Rate

2.3%

Unemployment Rate

Madison County, Iowa Employment by Age

LaborForceParticipation

Madison County, Iowa Employment by Race

LaborForceParticipation

Madison County, Iowa Employment by Education

Origin of Non-Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

Non citizens include legal permanent residents (green card holders), international students, temporary workers, humanitarian migrants, and illegal immigrants.

Origin of Naturalized Citizens

Europe

Asia

Africa

Oceania

Latin America

North America

78.42%

Born in Madison County, Iowa

98.84%

Native Born

1.16%

Foreign Born

0.38%

Non Citizen

0.78%

Naturalized

Place of Birth

98.84% of Madison County, Iowa residents were born in the United States, with 78.42% having been born in Iowa. 0.38% of residents are not US citizens. Of those not born in the United States, the largest percentage are from Europe.

Madison County, Iowa Place of Birth

Sources